Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong xa chi snippets" » "phong va chi snippets", "thong xay chi snippets", "phong nam chi snippets", "phong a chi snippets", "phong ca chi snippets", "phong la chi 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: (((("phong xa chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong xa chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong xa chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong xa chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.