Perhaps you should try some spelling variations:
diep quang » dinh quang
thong cong » trong cong, tong cong, thong thong
hoc diep » hoc dieu, hong diep, ngoc diep
sinh cua » dinh cuu, sinh va
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
gian man » gian dan, gian lan, gian van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc diep quang - nhan ((sinh cua) OR (manh cua)) thong cong dan gian man~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc diep quang - nhan ((sinh cua) OR (manh cua)) thong cong dan gian man".
• Adding a wildcard symbol may retrieve word variants: hoc diep quang - nhan ((sinh cua) OR (manh cua)) thong cong dan gian man*.