Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuan ky do snippets" » "chuan he do snippets", "than ky do snippets", "chuan bi do snippets", "chuan ky doi snippets", "chuan ke do snippets", "chuan ly do 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: (((("chuan ky do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuan ky do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuan ky do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuan ky do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.