Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chieu tu ca snippets" » "chieu tro ca snippets", "lieu tu ca snippets", "chu tu ca snippets", "chieu tu cac snippets", "chieu tu cua snippets", "chieu tu can 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 tu ca 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 tu ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chieu tu ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu tu ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.