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