Perhaps you should try some spelling variations:
hoc thanh » hoc nhanh, hoan thanh, hoc phan
va tinh » may tinh
ky lang » ky nang, ky tang, tay lang
hai cua » thai cua, dai cua, hoi cua
ky dang » ky nang, ky danh
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
va hanh » van hanh, va thanh, va danh
ve cac » va cac, vien cac
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thanh ((ky lang) or (ky dang)) van hoi. hieu ve cac duc ((va hanh) or (va tinh)) hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thanh ((ky lang) OR (ky dang)) van hoi. hieu ve cac duc ((va hanh) OR (va tinh)) hai cua te.
• Adding a wildcard symbol may retrieve word variants: hoc thanh ((ky lang) or (ky dang)) van hoi. hieu ve cac duc ((va hanh) or (va tinh)) hai cua te*.