Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho voi cuoc snippets" » "cho doi cuoc snippets", "cho voi quoc snippets", "cho va cuoc snippets", "choi voi cuoc snippets", "cho moi cuoc snippets", "pho voi cuoc 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: (((("cho voi cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho voi cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho voi cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho voi cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.