Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham ho cuu snippets" » "cham hoi cuu snippets", "cham o cuu snippets", "cham soc cuu snippets", "cham ho chu snippets", "cham ho cua snippets", "cham so cuu 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 ho cuu 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 ho cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham ho cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham ho cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.