Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chieu va ve snippets" » "hieu va ve snippets", "chien va ve snippets", "chieu cao ve snippets", "chieu va de snippets", "chieu va le snippets", "chieu va vi 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: (((("chieu va 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: (((("chieu va ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chieu va ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu va ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.