Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh ba hoc snippets" » "dinh gia hoc snippets", "dinh van hoc snippets", "dinh lam hoc snippets", "dinh bai hoc snippets", "dinh bac hoc snippets", "dinh bao 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: (((("dinh ba hoc 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 ba hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh ba hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh ba hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.