Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoang vu can snippets" » "hoang vu code snippets", "hoang tu can snippets", "hoang va can snippets", "hoang van can snippets", "hoang vu van snippets", "hoang vu cao snippets", "hoang vu ban 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: (((("hoang vu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang vu can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoang vu can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang vu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.