Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai thuc hoi snippets" » "dan thuc hoi snippets", "dai thu hoi snippets", "dai thua hoi snippets", "dai phuc hoi snippets", "dai thuc doi 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: (((("dai thuc 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: (((("dai thuc hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai thuc hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai thuc hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.