Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
chat tuc » chat xuc, luat tuc, chat huu
va triet » va trien, ve triet, cua triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
tuc ban » thuc ban, truc ban, tu ban
thiet » thieu

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 thu nang xa hoi. hieu ve chat tuc ban thanh tai ((va triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu nang xa hoi. hieu ve chat tuc ban thanh tai ((va triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: tu sach thu nang xa hoi. hieu ve chat tuc ban thanh tai ((va triet) or (va thiet))*.