Perhaps you should try some spelling variations:
thuat thanh » thuan thanh, thuat than, thuat toan
thanh ky » hanh ky, than ky, thanh tay
ban hanh » ban hang
cao hoi » cau hoi, co hoi, cao hoc
hieu va » lieu va
cuu tre » cua tre, cau tren, cau treo
va dan » ca dan, va dao, va dau
di cuu » di cau, di cua, dinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat thanh ky nang cao hoi. ((hieu va) OR (hieu qua)) cham soc ((ban hanh) or (va dan)) di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat thanh ky nang cao hoi. ((hieu va) OR (hieu qua)) cham soc ((ban hanh) OR (va dan)) di cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat thanh ky nang cao hoi. ((hieu va) OR (hieu qua)) cham soc ((ban hanh) or (va dan)) di cuu tre".
• Adding a wildcard symbol may retrieve word variants: thuat thanh ky nang cao hoi. ((hieu va) OR (hieu qua)) cham soc ((ban hanh) or (va dan)) di cuu tre*.