Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat vu cho snippets" » "bat hu cho snippets", "bat cu cho snippets", "bat tu cho snippets", "bat vu cao snippets", "bat 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: (((("bat 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: (((("bat vu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat vu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat vu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.