Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
lanh minh » lanh dinh, lanh manh, thanh minh
theo chu » cho chu, chao chu, theo yeu
va thong » va thuong, va phuong, he thong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
minh va » tinh va, sinh va, sinh vat

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 (((theo chieu) OR (theo chu)))) xanh - lanh minh va thong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (((theo chieu) OR (theo chu)))) xanh - lanh minh va thong cong tan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (((theo chieu) OR (theo chu)))) xanh - lanh minh va thong cong tan toan cao*".