Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi tao ve snippets" » "khoi tho ve snippets", "hoi tai ve snippets", "hoi thao ve snippets", "khoi bao ve snippets", "khoi tao he snippets", "khoi tao va 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: (((("khoi tao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi tao ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi tao ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi tao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.