Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc van cu snippets" » "hoc van code snippets", "hoc dan cu snippets", "hoc va cu snippets", "hoc vat cu snippets", "hoc van cau snippets", "hoc van chu snippets", "hoc van 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: (((("hoc van cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc van cu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc van cu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc van cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.