Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh vu hoi snippets" » "minh vua hoi snippets", "minh va hoi snippets", "minh ve hoi snippets", "minh vu khoi snippets", "minh vu hai 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 vu 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 vu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh vu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh vu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.