Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hinh voi can snippets" » "binh voi can snippets", "hanh voi can snippets", "hinh toi can snippets", "hinh voi cac snippets", "hinh voi cong snippets", "hinh voi hang 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: (((("hinh voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hinh voi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hinh voi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hinh voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.