Perhaps you should try some spelling variations:
trong ngang » trong nganh, trong nong, cong ngang
ngang phat » nang phat, nhung phat, hang phat
doi chieu » doc hieu, doi chi, mot chieu
nang hang » nang sang, hang hang, cang thang
ho chieu » theo chieu, hoc thieu, mot chieu
hang vat » hang va, dang vat, bang vat
vat dung » van dung, va dung, viet dung
phat cau » phan cau, pha cau, phap cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) sach - nang hang vat dung trong ngang phat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - nang hang vat dung trong ngang phat cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - nang hang vat dung trong ngang phat cau*.