Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chu tu doi snippets" » "chu tu code snippets", "cau tu doi snippets", "thu tu doi snippets", "chung tu doi snippets", "chu tu do snippets", "chu te doi snippets", "chu 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: (((("chu 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: (((("chu tu doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chu tu doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.