Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
phuong dan » phuong danh, phuong doan, huong dan
hien manh » hien hanh, tien manh, hieu manh
trinh cac » trinh cau, trinh chat, trinh chao
tranh cai » tranh cac, trinh cai, tranh chap
dan chan » dan gian, dan ca, van chat
chan cho » chat cho, han cho, chuan chon

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 manh - hanh ((trinh cac) or (tranh cai)) truong phuong dan chan cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - hanh ((trinh cac) OR (tranh cai)) truong phuong dan chan cho.
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - hanh ((trinh cac) or (tranh cai)) truong phuong dan chan cho*.