Perhaps you should try some spelling variations:
thanh tung » thanh cong
khang cong » hang cong, thanh cong, dang cong
hoc thieu » toc thieu, hoc hien
nam khang » nam thang, nam khanh, nam thanh
ho chieu » theo chieu, doi chieu, mot chieu
tung nam » trung nam, sung nam, dung nam
toan cao » toan tap
toan ban » van ban

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)) lang - thanh tung nam khang cong trinh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) lang - thanh tung nam khang cong trinh ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) lang - thanh tung nam khang cong trinh ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) lang - thanh tung nam khang cong trinh ((toan cao) or (toan ban))*.