Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
nang tai » hang tai, tang tai, sang tai
hieu van » lieu va, hieu ve
te sach » toc sach
sach ky » sac ky, sach y, sach ty
tai hoi » tai khoi, dai hoi, tai hai
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
ban ban » ban banh, van ban, can ban
ban ve » ban va
ve cua » le cua, de cua, te cua

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 ky nang tai hoi. ((((hieu van) or (thien van))) or (hieu va)) cam xuc ban ban ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang tai hoi. ((((hieu van) OR (thien van))) OR (hieu va)) cam xuc ban ban ve cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang tai hoi. ((((hieu van) or (thien van))) or (hieu va)) cam xuc ban ban ve cua triet*.