Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi loan tom snippets" » "thi lan tom snippets", "thi hoan tom snippets", "thi lien tom snippets", "thi loan tam snippets", "thi lon tom snippets", "thi luan tot 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: (((("thi loan tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi loan tom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi loan tom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi loan tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.