Perhaps you should try some spelling variations:
chua thuc » thuat thuc, chuan chuc, thuan thuc
hieu van » hieu va, thien van, lieu va
cua thuc » cua thuoc, qua thuc, rua thuc
dan hanh » dang hanh, dan khanh, dan thanh
hanh tue » hanh tu, hanh tuyen, hanh theo
cua tuc » cua duc, cua thuoc, luat tuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua tu » cua su, cua cu, cua te
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang x hoi. hieu van ((cua thuc) or (chua thuc)) dan hanh tue ((cua tu) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu van ((cua thuc) OR (chua thuc)) dan hanh tue ((cua tu) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu van ((cua thuc) or (chua thuc)) dan hanh tue ((cua tu) or (cua tuc))*.