Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi cach cua snippets" » "hoi cach code snippets", "loi cach cua snippets", "hoc cach cua snippets", "doi cach cua snippets", "hoi cac cua snippets", "hoi cach dua snippets", "hoi canh cua 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: (((("hoi cach cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi cach cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi cach cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi cach cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.