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