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