Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi men da snippets" » "khi nen da snippets", "khi ben da snippets", "khi dien da snippets", "khi men dam snippets", "khi men a snippets", "khi men 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: (((("khi men da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi men da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi men da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi men da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.