Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu ba cach snippets" » "thu va cach snippets", "thu ca cach snippets", "thu bang cach snippets", "thu ban cach snippets", "thu bao cach snippets", "thu ha cach 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: (((("thu ba cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu ba cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu ba cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu ba cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.