Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thien van » thi van
vu khach » vu khanh, vu khac, vay khach
khach ty » sach ty
thai cuu » thai cua, tai cuc, thi cuc
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, lieu va, hieu ve
dao duc » giao duc, tao duoc
duc van » duc va, duc tan, duc manh
nang xa » lang xa, nang ma, mang xa
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ty ((nang xa) or (nang x)) hoi. ((hieu van) or (thien van)) dao duc van hanh thai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ty ((nang xa) OR (nang x)) hoi. ((hieu van) OR (thien van)) dao duc van hanh thai cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu khach ty ((nang xa) or (nang x)) hoi. ((hieu van) or (thien van)) dao duc van hanh thai cuu tre*.