Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan khao co snippets" » "dac khao co snippets", "dan khai co snippets", "van khao co snippets", "dan khac co snippets", "dan khao cuu snippets", "dan khao noi 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: (((("dan khao co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan khao co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan khao co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan khao co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.