Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, hanh mang, hanh tung
cua thong » cua thuong, cua khong, cua tong
theo chu » theo chieu, cho chu, chao chu
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
tan can » toan can, tan van, ban can
can cau » van cau, ban cau, ca cau

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 chu)) xanh - ((hanh tang) or (anh tang)) cua thong cong tan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) xanh - ((hanh tang) OR (anh tang)) cua thong cong tan can cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) xanh - ((hanh tang) or (anh tang)) cua thong cong tan can cau*.