Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, chat lua
doan van » doan va, hoang van, luan van
van doan » van doanh, van toan, van hoan
cham cuu » cap cuu, chat cua
hieu van » hieu va, thien van, lieu va
van cua » vang cua, ban cua, dan cua
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. ((hieu ve) OR (hieu van)) ((cham luc) or (cham cuu)) van doan van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. ((hieu ve) OR (hieu van)) ((cham luc) OR (cham cuu)) van doan van cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. ((hieu ve) OR (hieu van)) ((cham luc) or (cham cuu)) van doan van cua tre*".