Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"den thanh le snippets" » "den thanh code snippets", "de thanh le snippets", "dinh thanh le snippets", "dong thanh le snippets", "den thinh le snippets", "den thanh ve snippets", "den thanh liem 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 ("den thanh le snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("den thanh le snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( den thanh le snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("den thanh le snippets"))) or ("locating bug core snippets"))*.