Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
cua truong » cua trung, xuan truong, cac truong
thieu cach » hieu cach, hieu cac, thien hach
dang thanh » dong thanh, dang hanh, hoang thanh
thieu cac » hieu cac, thien cac, hieu ca
van thanh » ban thanh, van tuan
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu cach) OR (thieu cac)) - anh tang cua truong cong ((van thanh) or (dang thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu cach) OR (thieu cac)) - anh tang cua truong cong ((van thanh) OR (dang thanh)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu cach) OR (thieu cac)) - anh tang cua truong cong ((van thanh) or (dang thanh)) cao*".