Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham cu uoc snippets" » "cham cuu uoc snippets", "chat cua uoc snippets", "pham cua uoc snippets", "cham cu soc snippets", "cham cua nuoc snippets", "cham cua quoc 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: (((("cham cu uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham cu uoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham cu uoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham cu uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.