Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » canh tranh, hanh trinh, minh trang
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
chan tu » phan tu, chon tu, chai tu
han tu » phan tu, hanh tu, ban tu

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 xanh - ((hanh trang) or (thanh trung)) cua thong cong thanh ((chan tu) OR (han tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trang) OR (thanh trung)) cua thong cong thanh ((chan tu) OR (han tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh trang) or (thanh trung)) cua thong cong thanh ((chan tu) OR (han tu))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trang) or (thanh trung)) cua thong cong thanh ((chan tu) OR (han tu))*.