Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien tach » thien hach, chiet tach, vien bach
cap phan » cac phan, cap han, cau phan
cao phan » co phan, cho phan, cac phan
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
cap can » cap han, cap van, tap can

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tach - thanh tung ((cap can) or (((cap phan) or (cao phan)))) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tach - thanh tung ((cap can) OR (((cap phan) OR (cao phan)))) cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien tach - thanh tung ((cap can) or (((cap phan) or (cao phan)))) cong dan phan cau*.