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