Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
hoc thien » hoc hien, hoc thieu, hoc thiet
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
hanh va » hang va

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 danh - nhanh ((hanh va) or (hanh vi)) nhung cong thanh ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - nhanh ((hanh va) OR (hanh vi)) nhung cong thanh ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien danh - nhanh ((hanh va) or (hanh vi)) nhung cong thanh ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - nhanh ((hanh va) or (hanh vi)) nhung cong thanh ((toan cau) OR (toan tap))*.