Perhaps you should try some spelling variations:
nganh hang » ngan hang, nhanh thang, nganh thanh
luc nganh » luc ngan, chuc nganh, luat nganh
sach ty » sach y, sach tu, sach thu
cam luc » cam xuc, cau luc
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va dau » va dao
vi dai » si dai, li dai, vien dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang xa hoi. ((hieu ve) or (lieu va)) cam luc nganh hang ((va dau) or (vi dai)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. ((hieu ve) OR (lieu va)) cam luc nganh hang ((va dau) OR (vi dai)) tren.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. ((hieu ve) or (lieu va)) cam luc nganh hang ((va dau) or (vi dai)) tren*.