Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tranh cua » manh cua
doanh cua » doanh luan
trinh han » trinh quan
ho chieu » theo chieu, doi chieu, mot chieu
han cao » han cho, han gao, hoang cao

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