Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap am hoi snippets" » "phap lam hoi snippets", "phap dam hoi snippets", "phat am hoi snippets", "phap nam hoi snippets", "phap am hoc snippets", "phap cham hoi 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: (((("phap am hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap am hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap am hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap am hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.