Perhaps you should try some spelling variations:
dung cong » dung trong
chi xanh » chi anh, chi danh, chi hanh
sinh cua » manh cua, sinh va
dinh cuu » dinh chi
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh ((sinh cua) OR (dinh cuu)) dung cong tac than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh ((sinh cua) OR (dinh cuu)) dung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((sinh cua) OR (dinh cuu)) dung cong tac than cau*.