Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
hieu va » lieu va, hieu qua
cac loc » cac lop, cac toc, cac hoc
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
va hanh » van hanh, va thanh, va danh
tu san » thu san, tu can, vu san
loc va » hoc va, luc va
tu ban » thu ban, te ban
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) or (tu ban)) ky dang ma hoa. hieu va cac loc va hanh vai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky dang ma hoa. hieu va cac loc va hanh vai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) or (tu ban)) ky dang ma hoa. hieu va cac loc va hanh vai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu ban)) ky dang ma hoa. hieu va cac loc va hanh vai ((cua te) OR (cua tu))*.