Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam chat toi snippets" » "dam chat toi snippets", "luan chat toi snippets", "cao chat toi snippets", "lam chat tai snippets", "lam chat moi snippets", "lam chat thai 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 chat toi 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 chat toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam chat toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam chat toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.