Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
hoc thieu » hoc hien
trung dap » trung cap, trung dai, trung dam
dung cong » dung trong
doc hieu » hoc hien
dap dung » ap dung, dan dung, dap ung
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (((doc hieu) OR (toc thieu)))) tinh - manh trung dap dung cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (((doc hieu) OR (toc thieu)))) tinh - manh trung dap dung cong tan tran cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (((doc hieu) OR (toc thieu)))) tinh - manh trung dap dung cong tan tran cao*".