Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"ca thuoc so snippets" » "cay thuoc so snippets", "cua thuoc so snippets", "cao thuoc so snippets", "ca thuoc bo snippets", "ca thuoc ho snippets", "ca thuoc co 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: (((("ca thuoc so snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca thuoc so snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
• Removing quotes may allow a broader search: (((( ca thuoc so snippets ) or ( python using java snippets ))) or ( lochating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca thuoc so snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.