Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua va cho snippets" » "chuc va cho snippets", "chua may cho snippets", "chuan ha cho snippets", "chua van cho snippets", "chua va co snippets", "chua va che 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 va cho 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 va cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua va cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua va cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.