Perhaps you should try some spelling variations:
ctinh cua » chinh cua, sinh cua, trinh cua
dung cong » dung trong
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
hoc tien » hoc tieng, hoc vien, hoc tren
tinh cua » trinh cua, sinh cua, tinh chat
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc tien) or (hoc hien)) anh - hanh ((ctinh cua) or (tinh cua)) dung cong ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tien) OR (hoc hien)) anh - hanh ((ctinh cua) OR (tinh cua)) dung cong ban thanh lap.
• Adding a wildcard symbol may retrieve word variants: ((hoc tien) or (hoc hien)) anh - hanh ((ctinh cua) or (tinh cua)) dung cong ban thanh lap*.