Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trung cua » trung tuan, trung cap, dung cua
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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)) xanh - thanh ((trung cua) OR (truong cua)) thong cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - thanh ((trung cua) OR (truong cua)) thong cong dan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - thanh ((trung cua) OR (truong cua)) thong cong dan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - thanh ((trung cua) OR (truong cua)) thong cong dan phan tu*.