Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
khung cua » chung cua, khung luan, chung cu
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
khan cua » nhan cua, than cua, han cua
cong tam » cong tac, cong tan, cong nam
tam than » ban than
than cap » khan cap, thanh lap, thanh cac

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) OR (hoc thieu)) tinh - hanh ((khung cua) or (khan cua)) dung cong tam than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - hanh ((khung cua) OR (khan cua)) dung cong tam than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) tinh - hanh ((khung cua) or (khan cua)) dung cong tam than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) tinh - hanh ((khung cua) or (khan cua)) dung cong tam than cap*.