Perhaps you should try some spelling variations:
chieu cao » hieu cac, hieu ca, chieu day
thi hang » thi hanh, thi nang, thi hong
cao nhat » cao chat, cap nhat, cao nhan
su sach » so sach, vu sach
nhat tu » nha tu, nhat vu, nhat ngu
va lanh » va lang, va hanh, va danh
dao su » dao suu, cao su, da su
dan su » dang su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((thuc hanh) or (thi hang)) cau hoi. chieu cao nhat tu va lanh ((dao su) OR (dan su)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((thuc hanh) OR (thi hang)) cau hoi. chieu cao nhat tu va lanh ((dao su) OR (dan su)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((thuc hanh) or (thi hang)) cau hoi. chieu cao nhat tu va lanh ((dao su) OR (dan su)) triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((thuc hanh) or (thi hang)) cau hoi. chieu cao nhat tu va lanh ((dao su) OR (dan su)) triet*.