Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nam cot thep snippets" » "nam co thep snippets", "nam chon thep snippets", "nam cuoi thep snippets", "nam cot theo snippets", "nam cot tiep snippets", "nam cot them 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: (((("nam cot thep snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam cot thep snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nam cot thep snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam cot thep snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.