Perhaps you should try some spelling variations:
hieu quan » hieu qua, lieu quan, thien quan
cua triet » cua viet, su triet, va triet
dao danh » dao doanh, dao dan, dao hanh
quan am » quan nam, quan tam, quan ao
am chuc » am thuc, pham chuc, nam thuc
do danh » do dinh, do sanh, dia danh
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky nang x ho. hieu quan am chuc ((dao danh) or (do danh)) dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang x ho. hieu quan am chuc ((dao danh) OR (do danh)) dai cua triet.
• Adding a wildcard symbol may retrieve word variants: te cac ky nang x ho. hieu quan am chuc ((dao danh) or (do danh)) dai cua triet*.