Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
va triet » va trien, ve triet, cua triet
sach thi » sach thu, sach tai, sach thieu
thi hanh » thi thanh
va thanh » gia thanh, ban thanh, va tinh
ve chat » va chat, van chat
tu sach » thu sach, su sach, te sach
hanh xu » hanh tu, hanh sua, hanh cua
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
xu hoi » xa hoi, lu hoi, vu hoi
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 thi hanh xu hoi. hieu ((ve cac) or (ve chat)) tuc va thanh lap ((va triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thi hanh xu hoi. hieu ((ve cac) OR (ve chat)) tuc va thanh lap ((va triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: tu sach thi hanh xu hoi. hieu ((ve cac) or (ve chat)) tuc va thanh lap ((va triet) or (va thiet))*.