Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot cong cha snippets" » "moi cong cha snippets", "hoc cong cha snippets", "bo cong cha snippets", "mot cong chat snippets", "mot cong chua snippets", "mot cong cua 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: (((("mot cong cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mot cong cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot cong cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot cong cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.