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