Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung va voi snippets" » "trung va voi snippets", "tuong va voi snippets", "dung va voi snippets", "tung va doi snippets", "tung va vi snippets", "tung va vo 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: (((("tung va 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: (((("tung va voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung va voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung va voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.