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