Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang tai » hang tai, tang tai, sang tai
pham duy » pham duc
hang hai » hoang hai, hang tai, thanh hai
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
tai hoi » tai khoi, dai hoi, tai hai
duy van » duy vat, dung van
hieu v » hieu va, hieu ve, hieu 2
v pham » vi pham, d pham

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang tai hoi. hieu v pham duy van ((hang hai) or (hang va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang tai hoi. hieu v pham duy van ((hang hai) OR (hang va)) cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang tai hoi. hieu v pham duy van ((hang hai) or (hang va)) cua triet*.