Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao thiet ho snippets" » "tai thiet ho snippets", "tay thiet ho snippets", "toan thiet ho snippets", "tao triet hoc snippets", "tao nhiet hoc snippets", "tao thiet hai 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 thiet 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: (((("tao thiet ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao thiet ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao thiet ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.