Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam tich can snippets" » "lam tinh can snippets", "tram tich can snippets", "lam sach can snippets", "lam tich cac snippets", "lam tich van snippets", "lam dich can 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: (((("lam tich 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: (((("lam tich can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam tich can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam tich can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.