Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh voi can snippets" » "trinh voi can snippets", "tinh doi can snippets", "binh voi can snippets", "tinh voi cac snippets", "tinh voi cong snippets", "tinh 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: (((("tinh 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: (((("tinh voi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh voi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.