Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, theo chu, thi chieu
hoc thieu » toc thieu, hoc hien
ho chieu » doi chieu, mot chieu, thi chieu
tuong va » truong va, thuong va, luong va
va trong » va truong, va thong, va tuong
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cao » nha cao, nhan tao, nhan co

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((ho chieu) OR (hoc thieu))) or (theo chieu)) sang - thanh tuong va trong cong tac nhan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc thieu))) OR (theo chieu)) sang - thanh tuong va trong cong tac nhan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (hoc thieu))) or (theo chieu)) sang - thanh tuong va trong cong tac nhan cao".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (hoc thieu))) or (theo chieu)) sang - thanh tuong va trong cong tac nhan cao*.