Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang thi hoi snippets" » "hoang thi hoi snippets", "dang khoi hoi snippets", "dang thi hoai snippets", "dang thi choi snippets", "dang thi 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: (((("dang thi 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: (((("dang thi hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang thi hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang thi hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.