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