Perhaps you should try some spelling variations:
tran doanh » toan doanh, trai doanh, tran danh
van doanh » toan doanh, van dong, van thanh
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
te sach » toc sach
tang xa » trang xa, tang ma, lang xa
van cam » van nam, van lam, van cau
y tang » ky tang, 6 tang, 7 tang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y tang xa hoi. hieu van cam xuc ((van doanh) or (tran doanh)) van ((cua triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang xa hoi. hieu van cam xuc ((van doanh) OR (tran doanh)) van ((cua triet) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach y tang xa hoi. hieu van cam xuc ((van doanh) or (tran doanh)) van ((cua triet) or (cua te))*.