Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
truong van » trong van, truong va, truong dai
hoc thien » hoc hien, hoc thieu, hoc thiet
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
tuong van » trong van, duong van, thong van
tuan ban » tuan bang, toan ban, luan 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 ((tuong van) OR (truong van)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((lanh manh) OR (hoang minh)) cua thong ((tuong van) OR (truong van)) tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - ((lanh manh) or (hoang minh)) cua thong ((tuong van) OR (truong van)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((lanh manh) or (hoang minh)) cua thong ((tuong van) OR (truong van)) tuan ban*.