Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc sua voi snippets" » "thuc cua voi snippets", "thuc su voi snippets", "thuat sua voi snippets", "thuc sua doi snippets", "thuc dua 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: (((("thuc sua 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: (((("thuc sua voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc sua voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc sua voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.