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