Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc sinh cua snippets" » "luc sinh code snippets", "duc sinh cua snippets", "luc binh cua snippets", "tuc sinh cua snippets", "luc manh cua snippets", "luc dinh cuu snippets", "luc sinh va 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: (((("luc sinh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc sinh cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luc sinh cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc sinh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.