Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ngoc va can snippets" » "ngoc va code snippets", "nuoc va can snippets", "ngoc ha can snippets", "goc va can snippets", "ngoc va chan snippets", "ngoc va cac snippets", "ngoc va cao 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: (((("ngoc va 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: (((("ngoc va can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ngoc va can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc va can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.