Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kho cua du snippets" » "kho cua code snippets", "khi cua du snippets", "tho cua du snippets", "thao cua du snippets", "kho cua duc snippets", "kho cua ndu snippets", "kho cua su 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: (((("kho cua du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho cua du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kho cua du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho cua du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.