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