Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"may cong da snippets" » "may cong code snippets", "cay cong da snippets", "cac cong da snippets", "cao cong da snippets", "may cong dan snippets", "may cong dac snippets", "may cong dau 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: (((("may cong da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("may cong da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( may cong da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may cong da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.