Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong cac hon snippets" » "dong cac code snippets", "duong cac hon snippets", "dong bac hon snippets", "dung cac hon snippets", "dong cac hop snippets", "dong cac mon snippets", "dong cac don 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 cac hon 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 cac hon snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong cac hon snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong cac hon snippets"))) or ("locating bug core snippets"))*.