Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
cong vanh » cong danh, cong vang, cong van
cong vinh » cong trinh, trong vinh, cong viec
ho chieu » theo chieu, hoc thieu, doi chieu
doanh va » doan va, doanh tai, doanh cua
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - hanh doanh va nhung ((cong vanh) or (cong vinh)) ((tuan ban) OR (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh doanh va nhung ((cong vanh) OR (cong vinh)) ((tuan ban) OR (luan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh doanh va nhung ((cong vanh) or (cong vinh)) ((tuan ban) OR (luan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh doanh va nhung ((cong vanh) or (cong vinh)) ((tuan ban) OR (luan ban))*.