Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham luc » cham soc, nhan luc, cham cuu
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
dang ha » dung ha, lang ha, tang ha
dong ha » dong hoa, dong va, dong hoc
luc van » luoc van, luu van, duc van
lai cua » dai cua, hai cua, lai chau
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
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 sac ky ((dang ha) OR (dong ha)) noi. hieu van cham luc van hanh lai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky ((dang ha) OR (dong ha)) noi. hieu van cham luc van hanh lai cua tu".
• Adding a wildcard symbol may retrieve word variants: su sac ky ((dang ha) OR (dong ha)) noi. hieu van cham luc van hanh lai cua tu*.