Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu trinh he snippets" » "huu trinh code snippets", "huu tinh he snippets", "qua trinh he snippets", "quy trinh he snippets", "huu trinh han snippets", "huu trinh hoa snippets", "huu trinh ky snippets"
"python using java snippets" » "python using data 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: (((("huu trinh he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu trinh he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu trinh he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu trinh he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.