Perhaps you should try some spelling variations:
thong tuong » thong thuong, thong thong, thong duong
thiet hach » thien hach, thuyet hach, thiet hai
hoc thiet » hoc thieu, hoc thuyet, hoc hien
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
tuong anh » truong anh, tuong lanh, trong anh
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 thiet hach - ((lanh manh) or (hoang minh)) cua thong tuong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hach - ((lanh manh) OR (hoang minh)) cua thong tuong anh tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - ((lanh manh) or (hoang minh)) cua thong tuong anh tuan ban*.