Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
hanh huong » thanh huong, anh huong, manh huong
huong cua » dung cua
cua khong » hua khong, cua phuong, cua thuong
thong dan » thong van, tuong dan, thong den
chu nang » chua nang, cuu nang, chu bang
chan cap » khan cap, cao cap, phan cac
than cap » khan cap, thanh lap, thanh cac
chuc » thuc, chua, phuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tho ((chu nang) or (chuc nang)) - hanh huong cua khong thong dan ((chan cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tho ((chu nang) OR (chuc nang)) - hanh huong cua khong thong dan ((chan cap) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: tho ((chu nang) or (chuc nang)) - hanh huong cua khong thong dan ((chan cap) or (than cap))*.