Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc chat cau snippets" » "hoc chat code snippets", "hoc phat cau snippets", "hoc cao cau snippets", "hoc phan cau snippets", "hoc chat cam snippets", "hoc chat cao snippets", "hoc chat va 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 chat cau 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 chat cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc chat cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chat cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.