Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap nhat de snippets" » "dai nhat de snippets", "dap nha de snippets", "hay nhat de snippets", "cap nhat ve snippets", "cap nhat le snippets", "cap chat deo 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: (((("cap nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap nhat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap nhat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.