Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra dang do snippets" » "tran dang do snippets", "tra nang do snippets", "tra danh do snippets", "tra nang doc snippets", "tra dung doi snippets", "tra dang duc 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: (((("tra dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.