Perhaps you should try some spelling variations:
thong dung » thong cong, thong thuong
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
dung anh » dung danh, duong anh, dong anh
tuan ban » tuan bang, luan ban, quang ban
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - ((lanh manh) or (hoang minh)) cua thong dung anh ((tuan ban) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((lanh manh) OR (hoang minh)) cua thong dung anh ((tuan ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - ((lanh manh) or (hoang minh)) cua thong dung anh ((tuan ban) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((lanh manh) or (hoang minh)) cua thong dung anh ((tuan ban) OR (toan ban))*.