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