Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
hanh dai » hanh tai, hanh dao, vanh dai
hoc viet » hoc hien
lanh ky » hanh ky, nganh ky, thanh ky
nang ma » sang ma, nang cao, mang may
tang ma » mang may, tang van
va hanh » van hanh, va thanh, va danh
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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 ((nang ma) OR (tang ma)) hoi. lieu va cam xuc va hanh dai ((so viet) or (hoc viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ky ((nang ma) OR (tang ma)) hoi. lieu va cam xuc va hanh dai ((so viet) OR (hoc viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ky ((nang ma) OR (tang ma)) hoi. lieu va cam xuc va hanh dai ((so viet) or (hoc viet))".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ky ((nang ma) OR (tang ma)) hoi. lieu va cam xuc va hanh dai ((so viet) or (hoc viet))*.