Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tu hoi snippets" » "dong tu code snippets", "dong luc hoi snippets", "thong tu hoi snippets", "dong tai hoi snippets", "dong thu hoi snippets", "dong tu choi snippets", "dong tu hoai 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: (((("dong tu hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tu hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong tu hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tu hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.