Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc tinh da snippets" » "doc tinh code snippets", "doc trinh da snippets", "dac tinh da snippets", "loc tinh da snippets", "doc tinh va snippets", "doc tinh gia snippets", "doc tinh lao snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("doc tinh da snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doc tinh da snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doc tinh da snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doc tinh da snippets"))) or ("locating bug core snippets"))*.