Perhaps you should try some spelling variations:
chung cong » nhung cong, chong cong, phung cong
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
cua chung » cua nhung, luan chung, luat chung
manh cua » doanh cua, ban cua
san lap » sang lap, sai lap, tan lap
dan lap » phan lap, dan luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (hoc thieu)) sach - canh manh cua chung cong trinh ((san lap) OR (dan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (hoc thieu)) sach - canh manh cua chung cong trinh ((san lap) OR (dan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (hoc thieu)) sach - canh manh cua chung cong trinh ((san lap) OR (dan lap))".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (hoc thieu)) sach - canh manh cua chung cong trinh ((san lap) OR (dan lap))*.