Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hao cach cua snippets" » "hao cach code snippets", "nhan cach cua snippets", "phap cach cua snippets", "va cach cua snippets", "hao cac cua snippets", "hao cach dua snippets", "hao 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: (((("hao 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: (((("hao cach cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hao cach cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao cach cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.