Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin huu chan snippets" » "tin huu han snippets", "tin huu chau snippets", "tin huu phan snippets", "tinh huu chan snippets", "tran huu chan snippets", "tin hieu chan 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: (((("tin huu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tin huu chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin huu chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin huu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.