Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha tinh hoc snippets" » "pha tinh code snippets", "phap tinh hoc snippets", "pham tinh hoc snippets", "ha tinh hoc snippets", "pha sinh hoc snippets", "pha tin hoc snippets", "pha hinh hoc 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: (((("pha tinh hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha tinh hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha tinh hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tinh hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.