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