Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
tung tuan » hung tuan, quang tuan, trang tuan
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (hoc thieu)) xanh - manh ((tung tuan) OR (trung tuan)) nhung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (hoc thieu)) xanh - manh ((tung tuan) OR (trung tuan)) nhung cong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (hoc thieu)) xanh - manh ((tung tuan) OR (trung tuan)) nhung cong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (hoc thieu)) xanh - manh ((tung tuan) OR (trung tuan)) nhung cong manh toan cao*.