Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
tang van » dang van, hoang van, trong van
cua tre » cua te, cuu tre, cua triet
danh di » danh du, danh dien, danh gia
xanh di » vanh dai, xanh tai
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
van hoc » van hoa
ky tang » ky nang, ky dang, kho tang
luc va » duc va, tuc va, loc va
vu san » va san, vu ban
vu sac » vu sach, va sac, vu cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sac) or (vu san)) ky tang van hoc. hieu ve cham luc va ((xanh di) OR (danh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sac) OR (vu san)) ky tang van hoc. hieu ve cham luc va ((xanh di) OR (danh di)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sac) or (vu san)) ky tang van hoc. hieu ve cham luc va ((xanh di) OR (danh di)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sac) or (vu san)) ky tang van hoc. hieu ve cham luc va ((xanh di) OR (danh di)) cua tre*.