Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh quan, trinh luan
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

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 ((trinh cua) OR (trinh luat)) phuong cong van tan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trinh cua) OR (trinh luat)) phuong cong van tan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trinh cua) OR (trinh luat)) phuong cong van tan ban*.