Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
su triet » su viet, su tien, ve triet
lang xa » dang xay, lang van
lang ha » long ha
lanh ky » hanh ky, nganh ky, thanh ky
cau cua » cau qua, ca cua, cu cua
ban dan » ban hang, ban hanh, ban quan
dan vai » dan va, dan tai, dan vat
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh ky ((lang xa) or (lang ha)) hoi. hieu ve cau cua ban dan vai ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ky ((lang xa) OR (lang ha)) hoi. hieu ve cau cua ban dan vai ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: thuat lanh ky ((lang xa) or (lang ha)) hoi. hieu ve cau cua ban dan vai ((cua tre) or (su triet))*.