Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
theo chieu » theo tieu, ho chieu, theo chu
hanh doanh » hang doanh, doanh doanh, kinh doanh
chieu qua » hieu qua, khien qua, hieu cua
cua thong » cua thuong, cua khong, cua tong
thong van » trong van, thong quan, truong van
khang tai » hang tai, nhan tai, khau tai
thong va » thong cua, truong va, thong qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu qua - ((hanh doanh) OR (chinh doanh)) cua thong ((thong van) or (thong va)) khang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu qua - ((hanh doanh) OR (chinh doanh)) cua thong ((thong van) OR (thong va)) khang tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu qua - ((hanh doanh) OR (chinh doanh)) cua thong ((thong van) or (thong va)) khang tai".
• Adding a wildcard symbol may retrieve word variants: theo chieu qua - ((hanh doanh) OR (chinh doanh)) cua thong ((thong van) or (thong va)) khang tai*.