Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang bao hoc snippets" » "dong bao hoc snippets", "dung bao hoc snippets", "dan bao hoc snippets", "dang bai hoc snippets", "dang bao goc snippets", "dang bac hoc snippets"
"locating bug code snippets" » "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: (((("dang bao hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang bao hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang bao hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang bao hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.