Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu hoat doi snippets" » "thu hoat code snippets", "thuc hoat doi snippets", "thu hoan doi snippets", "thu hoai doi snippets", "thu hoa doi snippets", "thu hat doi snippets", "thu hoat dong 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: (((("thu hoat 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: (((("thu hoat doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thu hoat doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hoat doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.