Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
hanh trong » hanh trang, anh trong, hinh trong
thuat dang » thuat dung, thuat bang, thuat dan
bang thanh » ban thanh, dang thanh, tang thanh
dang cong » dung cong
thi hanh » thi thanh
ban hanh » ban hang
doi thi » doi thoi, do thi, doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thi hanh - hanh trong thuat dang cong ((bang thanh) or (ban hanh)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi hanh - hanh trong thuat dang cong ((bang thanh) OR (ban hanh)) cap*.