Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho va dong snippets" » "cho van dong snippets", "cho ha dong snippets", "cho xa dong snippets", "cho vay dong snippets", "choi va dong snippets", "chon va dong 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: (((("cho va dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho va dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho va dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho va dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.