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