Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tu xe snippets" » "dong tu code snippets", "dong luc xe snippets", "thong tu xe snippets", "dong tai xe snippets", "dong thu xe snippets", "dong tu le snippets", "dong tu te 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: (((("dong tu xe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tu xe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong tu xe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tu xe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.