Perhaps you should try some spelling variations:
tang tai » hang tai, dung tai, sang tao
cham xuc » cam xuc, chat xuc, pham duc
van hanh » van thanh, ban hanh, van ban
su sach » so sach, vu sach
van anh » van thanh, tuan anh, van minh
tai hoc » thai hoc, dai hoc, bai hoc
hieu ve » hieu va, hieu van
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu
y tang » ky tang, 6 tang, 7 tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y tang tai hoc. hieu ve ((cham xuc) OR (cham soc)) ((van hanh) or (van anh)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y tang tai hoc. hieu ve ((cham xuc) OR (cham soc)) ((van hanh) OR (van anh)) vi cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y tang tai hoc. hieu ve ((cham xuc) OR (cham soc)) ((van hanh) or (van anh)) vi cua tu*".