Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu vat cai snippets" » "thuc vat cai snippets", "thu va cai snippets", "thuat vat cai snippets", "thu vat tai snippets", "thu vat 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 vat cai 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 vat cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu vat cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu vat cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.