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