Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich can hoi snippets" » "tich cac hoi snippets", "tich van hoi snippets", "dich can hoi snippets", "tich cau hoi snippets", "tich can ho snippets", "tich dan hoi 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: (((("tich can 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: (((("tich can hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich can hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich can hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.