Perhaps you should try some spelling variations:
tieng trung » truong trung
nhanh nang » nhanh lang, nhanh mang, nhanh quang
trung phan » trung thanh, trung ha, dung phan
doi chieu » doc hieu, doi chi, mot chieu
phan than » phan thanh, phan tan, khan than
ma tieng » mau tieng, va tieng, ta tieng
than cap » khan cap, thanh lap, thanh cac
nang ma » tang ma, sang ma, nang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - nhanh nang ma tieng trung phan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - nhanh nang ma tieng trung phan than cap*.