Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong dac voi snippets" » "cong tac voi snippets", "cong dan voi snippets", "cong cac voi snippets", "cong da voi snippets", "cong dao voi 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: (((("cong dac voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong dac voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dac voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dac voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.