Perhaps you should try some spelling variations:
tang van » dang van, hoang van, trong van
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
ky tang » ky nang, ky dang, kho tang
hieu va » lieu va, hieu qua
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su
va am » va lam, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ky tang van hoa. hieu va am thuc van hanh vi ((cua tu) OR (cua cu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky tang van hoa. hieu va am thuc van hanh vi ((cua tu) OR (cua cu))".
• Adding a wildcard symbol may retrieve word variants: vu sai ky tang van hoa. hieu va am thuc van hanh vi ((cua tu) OR (cua cu))*.