Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong mo hoi snippets" » "cuong ma hoi snippets", "cuong vo hoi snippets", "cuong do hoi snippets", "cuong mo phoi snippets", "cuong mo hoc snippets", "cuong co hoi 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: (((("cuong mo hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong mo hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong mo hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong mo hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.