Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh vu cho snippets" » "hanh vi cho snippets", "hanh va cho snippets", "hanh tu cho snippets", "hanh vu cao snippets", "hanh cu cho snippets", "hanh uu cho 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: (((("hanh vu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh vu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh vu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh vu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.