Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
nhung cong » dung cong, thong cong, nhung don
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
hang cong » dang cong, hang nong, bang cong
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam
tinh va » tich va, trinh van, trinh vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - hanh tinh va ((nhung cong) or (hang cong)) dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh tinh va ((nhung cong) OR (hang cong)) dan khan cap.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh tinh va ((nhung cong) or (hang cong)) dan khan cap*.