Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau luat moi snippets" » "cap luat moi snippets", "cac luat moi snippets", "cuu luat moi snippets", "cau luat hoi snippets", "cau luat so snippets", "cau luat dai 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: (((("cau luat moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau luat moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau luat moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau luat moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.