Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu tai hoe snippets" » "tu tai hoe snippets", "tru tai hoe snippets", "thu hai hoe snippets", "thu tai he snippets", "thu tai khoa snippets", "thu thai hoc 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: (((("thu tai hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu tai hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu tai hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu tai hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.