Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong da cua snippets" » "dong da code snippets", "dong dat cua snippets", "dong dao cua snippets", "dong ha cua snippets", "dong dai cua snippets", "dong day cua snippets", "dong dan cua 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 ("dong da 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 ("dong da cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong da cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong da cua snippets"))) or ("locating bug core snippets"))*.