Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"banh chi ca snippets" » "danh cho ca snippets", "dinh chi ca snippets", "bao chi ca snippets", "banh chi cua snippets", "banh chim ca snippets", "banh chi 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: (((("banh chi 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: (((("banh chi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( banh chi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("banh chi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.