Perhaps you should try some spelling variations:
toc thien » toc thieu, ton thien, duoc thien
thien anh » thien danh, tien anh, thien thanh
hanh luan » khanh luan, hang luan, hanh luat
vung dong » cong dong
van vung » van vuong, van dung, van hung
dong van » duong van, dang van, dong von
than cap » khan cap, thanh lap, thanh cac
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thien anh - hanh luan van vung dong van ((than cap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thien anh - hanh luan van vung dong van ((than cap) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: toc thien anh - hanh luan van vung dong van ((than cap) or (toan tap))*.