Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi kiem ho snippets" » "thi kim ho snippets", "thi lien ho snippets", "thi hien ho snippets", "thi kiem thu snippets", "thi kien hoa 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: (((("thi kiem ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi kiem ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi kiem ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi kiem ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.