Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung hoc do snippets" » "nhung hoc code snippets", "chung hoc do snippets", "nhung goc do snippets", "khung hoc do snippets", "nhung hoc doi snippets", "nhung hoc co snippets", "nhung hoc bo 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 ("nhung hoc do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nhung hoc do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nhung hoc do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nhung hoc do snippets"))) or ("locating bug core snippets"))*.