Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi ho voi snippets" » "thoai ho voi snippets", "tho ho voi snippets", "thai hoc voi snippets", "thoi pho voi snippets", "thoi hop voi snippets", "thoi hoc 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: (((("thoi ho 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: (((("thoi ho voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi ho voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi ho voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.