Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tho gian voi snippets" » "thoi gian voi snippets", "thao giao voi snippets", "theo giao voi snippets", "tho gian hoi snippets", "tho gian ve snippets", "tho dien 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: (((("tho gian 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: (((("tho gian voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tho gian voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho gian voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.