Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mong dan cu snippets" » "mong dan code snippets", "cong dan cu snippets", "nong dan cu snippets", "dong dan cu snippets", "mong dan cua snippets", "mong dan ca snippets", "mong dan su 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: (((("mong dan cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong dan cu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mong dan cu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong dan cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.