Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim nen doi snippets" » "kim ngan doi snippets", "kim lien doi snippets", "kim seon doi snippets", "kim neu doi snippets", "kim bien doi snippets", "kim kien doi 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: (((("kim nen doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim nen doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim nen doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim nen doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.