Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
hoc nganh » hoc nhanh
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
cac dac » cac dan, cac dai, cac bac
ve cac » va cac, vien cac
dac va » duc va, day va, dat va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nganh ((ky lang) OR (ky dang)) van hoa. hieu ve cac dac va thanh dai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc nganh ((ky lang) OR (ky dang)) van hoa. hieu ve cac dac va thanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: hoc nganh ((ky lang) OR (ky dang)) van hoa. hieu ve cac dac va thanh dai cua triet*.