Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham vuc » cham soc, pham duc, cham cuu
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
dang ha » dong ha, dung ha, tang ha
lang ha » long ha
vuc van » duc van, luc van, thuc van
su cac » tu cac, su cao, su can
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: su cac ky ((dang ha) or (lang ha)) noi. hieu van cham vuc van hanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky ((dang ha) OR (lang ha)) noi. hieu van cham vuc van hanh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: su cac ky ((dang ha) or (lang ha)) noi. hieu van cham vuc van hanh dai cua tu*.