Perhaps you should try some spelling variations:
nganh hang » ngan hang, nhanh thang, nganh thanh
dau tren » dau tien, dat tren, dau tieng
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam luc » cau luc
hang vi » hang va, hanh vi, hang di
vi dau » vi dai, va dau, bi dau

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 tu nang xa hoi. hieu ve ((cam luc) or (cam xuc)) nganh hang vi dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang xa hoi. hieu ve ((cam luc) OR (cam xuc)) nganh hang vi dau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach tu nang xa hoi. hieu ve ((cam luc) or (cam xuc)) nganh hang vi dau tren*.