Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thang cua » thong cua, hang cua, than cua
trung cua » truong cua, trung tuan, trung cap
hoc dieu » hoc thieu, hoc hien
cong van » cong vang, cong san, song van
tan cao » toan cao, tay cao, tan ca
tao cao » bao cao, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu hanh - hanh ((thang cua) or (trung cua)) nhung cong van ((tan cao) OR (tao cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - hanh ((thang cua) OR (trung cua)) nhung cong van ((tan cao) OR (tao cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc dieu hanh - hanh ((thang cua) or (trung cua)) nhung cong van ((tan cao) OR (tao cao))".
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - hanh ((thang cua) or (trung cua)) nhung cong van ((tan cao) OR (tao cao))*.