Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
tan chinh » tai chinh, lan chinh, van chinh
chinh can » chinh ca, chinh ban, chinh cau
doi chau » doi chieu, gioi chau, hoi chu
than cua » nhan cua, thai cua, ban cua
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chau tinh - hanh ((than cua) or (hang cua)) dung cong tan chinh can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chau tinh - hanh ((than cua) OR (hang cua)) dung cong tan chinh can.
• Adding a wildcard symbol may retrieve word variants: doi chau tinh - hanh ((than cua) or (hang cua)) dung cong tan chinh can*.