Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may viet ca snippets" » "mai viet ca snippets", "tay viet ca snippets", "man viet ca snippets", "may viet ha snippets", "may viet co snippets", "may viet a 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: (((("may viet 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: (((("may viet ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may viet ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may viet ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.