Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung tri do snippets" » "nhung tri code snippets", "nhung bai do snippets", "nhung bi do snippets", "nhung gi do snippets", "nhung tri doi snippets", "nhung tri co snippets", "nhung tri du 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 tri 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 tri do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nhung tri do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nhung tri do snippets"))) or ("locating bug core snippets"))*.