Perhaps you should try some spelling variations:
trinh cua » tinh cua, trinh quan, trinh luan
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong tac, cong san, cong thanh
than sao » than so, than vao, thanh san
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - hanh ((trinh cua) or (trinh luat)) dung cong tan ((than sao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh ((trinh cua) OR (trinh luat)) dung cong tan ((than sao) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh ((trinh cua) or (trinh luat)) dung cong tan ((than sao) or (than cap))*.