Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
khong dung » thong dung, phuong dung, cuong dung
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
hanh tang » anh tang, hanh mang, hanh tung
he khong » he thong
dung tac » dung tai, dung cac, dung tay
tran cau » tran chau, ran cau, tra cau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo phap tinh - ((hanh tang) OR (hanh trang)) he khong dung tac ((tran cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - ((hanh tang) OR (hanh trang)) he khong dung tac ((tran cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo phap tinh - ((hanh tang) OR (hanh trang)) he khong dung tac ((tran cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - ((hanh tang) OR (hanh trang)) he khong dung tac ((tran cau) or (toan cau))*.