Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kinh do con snippets" » "kinh co con snippets", "trinh do con snippets", "kinh hoc con snippets", "kinh do cong snippets", "kinh do son snippets", "kinh do co 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: (((("kinh do con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kinh do con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kinh do con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kinh do con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.