Perhaps you should try some spelling variations:
thuat hang » thuat hung, thuat mang, thuat nang
thuat bang » thuat ban, thuat mang, thuat nang
chi sach » chinh sach, chieu sach, co sach
cong san » cong tac
san than » sang than, san thanh, ban than
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 sach - thanh cong ((thuat hang) OR (thuat bang)) cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - thanh cong ((thuat hang) OR (thuat bang)) cong san than cau".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh cong ((thuat hang) OR (thuat bang)) cong san than cau*.