Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thi nang » thi cong, ki nang, thi hanh
xa thanh » va thanh, ha thanh, ta thanh
cham tuc » pham thuc, tham thuc, cham soc
sanh thi » anh thi, oanh thi, nhanh thi
so sanh » do sanh
tai cuu » tai cuc, tai buu, tai cua
xa hanh » xa khanh, va hanh, da hanh
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh thi nang xa hoi. hieu ve ((cham tuc) or (nham thuc)) ((xa hanh) OR (xa thanh)) tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thi nang xa hoi. hieu ve ((cham tuc) OR (nham thuc)) ((xa hanh) OR (xa thanh)) tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh thi nang xa hoi. hieu ve ((cham tuc) or (nham thuc)) ((xa hanh) OR (xa thanh)) tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: so sanh thi nang xa hoi. hieu ve ((cham tuc) or (nham thuc)) ((xa hanh) OR (xa thanh)) tai cuu tre*.