Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh vua hoi snippets" » "minh va hoi snippets", "linh vua hoi snippets", "minh vu hoi snippets", "minh cua hoi 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: (((("minh vua hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh vua hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh vua hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh vua hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.