Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi mo canh snippets" » "chi bo canh snippets", "chi do canh snippets", "chi mo danh snippets", "chi mot canh snippets", "thi mo canh snippets", "chi o canh 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: (((("chi mo canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi mo canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi mo canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi mo canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.