Perhaps you should try some spelling variations:
"ang tho trinh snippets" » "ang tho tinh snippets", "ang tao trinh snippets", "ang thi trinh snippets", "bang tho trinh snippets", "lang tho trinh snippets", "anh tho trinh snippets", "ang tho trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ang tho trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ang tho trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ang tho trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ang tho trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.