Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha thi hoai snippets" » "pha thi hai snippets", "pha thi hoa snippets", "pha thi hoan snippets", "pham thi hoai snippets", "phan thi hoai snippets", "phap thi hoai 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: (((("pha thi hoai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha thi hoai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha thi hoai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha thi hoai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.