Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao khao cua snippets" » "tay khao cua snippets", "tham khao cua snippets", "tao khang cua snippets", "tao khao cuu snippets", "tao kho cua snippets", "tao thao 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: (((("tao khao 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: (((("tao khao cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao khao cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao khao cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.