Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tung dan lon snippets" » "tung dan code snippets", "dung dan lon snippets", "huong dan lon snippets", "trung dai lon snippets", "tung dan mon snippets", "tung dan bon snippets", "tung han lon 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 ("tung dan lon snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tung dan lon snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tung dan lon snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tung dan lon snippets"))) or ("locating bug core snippets"))*.