Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh vi lon snippets" » "hanh vi lon snippets", "thanh va lon snippets", "thanh ve lon snippets", "thanh vi con snippets", "thanh vi luong 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: (((("thanh vi 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: (((("thanh vi lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh vi lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh vi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.