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