Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
than tap » toan tap, phan tap, than cap
tinh va » tich va, trinh van, trinh vat
han tap » han tai, toan tap, nhan tai

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 xanh - hanh tinh va thong cong dan ((than tap) OR (han tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tinh va thong cong dan ((than tap) OR (han tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tinh va thong cong dan ((than tap) OR (han tap))*.