Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, cheo cua, tho chu
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cong tinh » cong trinh, cong vinh, long tinh
toan ban » van ban
ho chua » ho chung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chua) OR (ho chua)) nang - ((hanh tang) or (hanh mang)) va nhung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chua) OR (ho chua)) nang - ((hanh tang) OR (hanh mang)) va nhung cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chua) OR (ho chua)) nang - ((hanh tang) or (hanh mang)) va nhung cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chua) OR (ho chua)) nang - ((hanh tang) or (hanh mang)) va nhung cong tinh toan ban*.