Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"het cho lon snippets" » "chat cho lon snippets", "hiem cho lon snippets", "thep cho lon snippets", "het cho cong snippets", "het chon loc 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: (((("het cho lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("het cho lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( het cho lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("het cho lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.